Sony Music Entertainment: Includes a glossary of musical terms and
instruments, information about composers and about musical eras (periods in
music history).
http://www.essentialsofmusic.com
JW Pepper Music Company - Music catalog/links to sound clips of various forms
of music. Search the chorus music links, and you can hear a clip of our music!
http://jwpepper.com
San Francisco Symphony: Learn about the elements of music (rhythm, pitch,
harmony, melody, etc.) and information about the instruments of the orchestra.
http://sfskids.org